/Engine/Source/Editor/VREditor/Public/UI/VREditorUISystem.h
Sets whether the specified editor UI panel should be visible. Any other UI floating off this hand will be dismissed when showing it.
void ShowEditorUIPanel ( const [UWidgetComponent](API\Runtime\UMG\Components\UWidgetComponent) * WidgetComponent, [UVREditorInteractor](API\Editor\VREditor\UVREditorInteractor) * Interactor, const bool bShouldShow, const bool bSpawnInFront, const bool bDragFromOpen, const bool bPlaySound )